OpenAI Codex vs OpenCode

Both are in our Coding agents tier list: OpenAI Codex is S-tier and OpenCode is A-tier.

No editor verdict yet. This page shows the data side by side; the tiers come from our Coding agents tier list.

OpenAI Codex vs OpenCode, side by side
Field	OpenAI Codex	OpenCode
Tier	S	A
Why this tier	It sits on par with Claude Code at the top of the coding-agent list. It runs as an open-source CLI, an IDE extension and cloud tasks. If you already pay for ChatGPT, it is the natural first pick.	It is the best open-source pick on our list if you want to choose your own model. It works with many model providers from the terminal.
Best for	People who already pay for ChatGPT Running coding tasks in the CLI, the IDE or the cloud	Choosing your own model provider People who want an open-source terminal agent
Skip if	You don't use ChatGPT and want the deepest terminal agent (see Claude Code) You want a no-code app builder	You want a managed product with everything set up for you You don't work in the terminal
Plans	ChatGPT / Codex Go: $8/mo ChatGPT / Codex Plus: $20/mo ChatGPT / Codex Pro: $100/mo Sources	Not verified
Free tier	Yes: ChatGPT Free plan: Codex for quick coding tasks; no image generation (source: learn.chatgpt.com/docs/pricing, checked 1 Nov 2026)	Yes: Open-source software (MIT); free to use with built-in free models, other providers may cost extra (source: github.com/anomalyco/opencode, checked 1 Nov 2026)
Key facts	Not verified	Open source: yes (MIT)
Last checked	1 Nov 2026	1 Nov 2026
Tier history	S since 14 Oct 2026: Initial ranking at launch	A since 14 Oct 2026: Initial ranking at launch
Recent patch notes	Codex CLI 0.167.0: agent command center and Vertex AI setup (6 Nov) Codex CLI 0.166.0: keyboard transcript selection and network doctor (29 Oct) Codex CLI 0.165.0: Vertex AI provider and GPT-6.1 Terra (27 Oct)	Not verified

Tools last checked 1 Nov 2026. Tiers are editorial opinion: how we rank · More Coding agents comparisons · All comparisons